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Styrene maleic anhydride copolymers are suitable epoxy cross- linking agents (curing agents) which serve the needs of the electronics market .They are used as building blocks in the manufacture of prepregs for Copper Clad Laminate/ Printed Circuit Board (CCL/PCB) laminates in the fabrication of simple electronic devices, computer graphic cards, motherboards and low loss high frequency laminates for communication devices. XIRAN®copolymers can be used either the PCBs are single-layer or multiple –layer and either they are rigid or flexible.
In general, the laminates should have good electrical, mechanical, thermal and environmental characteristics. XIRAN® styrene maleic anhydride copolymers are used as epoxy cross-linking agents being well designed to suit the performance requirements for PCB laminates and the demanding needs of CCL industry enabling the development of cost effective formulations and yet maintaining their characteristics.
More specifically, the cured with XIRAN® epoxy resins offer the following advantages: